redfield



(NoModL) L. H. REDPIELD.

. HOSE CLAMP. No. 480,515. Patented Aug-9, 1892.

WILINESSES; v [Ni/EN 'm/r.

UNITED STATES PATENT OFFICE.

LEWIS l-I. REDFIELD, OF SYRACUSE, NEW' YORK, ASSIGNOR OF ONE-HALF TO J. RICHARD CLANOY, OF SAME PLACE.

HOSE-CLAM P.

SPECIFICATION forming part of Letters Patent No. 480,515, dated August 9, 1892.

Application filed January 18, 1892. Serial No. 418,373. (No model.)

To alt whom it may concern: forming the slot by leaving said portions at Be 1t known that I, LEWIS H. REDFIELD, of one end integral with the blank. Figs. 2, 3, Syracuse, 1n the county of Onondaga, in the and of the drawings illustrate blanks thus State of New York, have invented new and produced. 5 useful Improvements in Hose-Clamps, of c 0 represent the fingers which span the which the following, taken in connection with space between the coupling-ears h b, as herethe accompanying drawings, is a full, clear, inbefore stated. To form the said fingers, as and exact description. well as the coupling-ears, integral with the This lnvention is a further improvement on hand, I cut in the blank longitudinal slits a a, I0 the style of hose-clamp for which I have filed extending from points some distance from applications for patents, Serial No. 378,054, the end of the baud toward the centerof its January 16, 1891; Serial No. 406,726, Septemlength, and cause them to meet in a transverse ber 24, 1891, and Serial Nos. 441,921 and slit a, thus forming in the blank a narrow 2, anuary 4, 1892. strip which is integral therewith at one end I 5 My present invention relates specially to and free at the opposite end, said strip conthe formation of the fingers which span the stituting the finger 0 when bent as hereinafspace between the coupling-ears of the clamp ter described. Large bands require one or to prevent the hose from being buckled or more such fingers on opposite ends of the crimped up and caught between said ears in main portion of the band, and in different po- 20 the operation of tightening the clamp on the sitions in the Width of the hand, so that the hose. finger or fingers on one end can be lapped The object of this invention is to form said onto the inner side of the solid portions of fingers on the band in a simple and inexpenthe opposite end of the band, as hereinafter sive manner and with a minimum consumpdescribed. On a small narrow hose-clamp a 25 tion of material; and to that end the invensingle finger c on each end, or on one end tion consists in the improved construction of only, as shown, respectively, in Figs. 3 and 5 the hose-clan1p band, as hereinafter fully deof the drawings, may answer the purpose. In scribed, and specifically set forth in claims. either case the hose-clamp is formed by bend- In the annexed drawings, Figure 1 shows an ing the main portion of the blank into circu- 8o 0 edge viewanda side view of a hose-clamp emlar shape, bending the perforated end porbodying my improvements. Fig. 2 is a plan tions outward to form the ears I) b, and bendview of the blank from which the hose-clamp ing the strips or fingers 0 back so as to lap band is formed. Fig. 3 is a plan view of a onto the inner side of the opposite end of the blank embodying a modification of myinvenmain portion of the band. The slits a a may 8 5 35 tion. Fig. 4 is an edge view of a small hosebe extended to the ears I) b and the fingers c clamp requiring only one finger for spanning c bent directly back, as aforesaid and as the space between the coupling-ears. Fig. 5 shown in Fig. 6 of the drawings; butin order is a plan view of the blank from which the to obviate this abrupt bend and resultant latter hose-clamp is formed, and Fig. 6 illusstrain of the metal and also retain the ends 4o trates a modification of my invention. of the main portion of the band, or the por- Similar letters of reference indicate corretions adjacent to the ears 1) b, intact and in sponding parts. their full strength I terminate the slits a a 0 represents the hose-clamp band, which I some distance from the ears and bend the form in one piece stamped out of suitable fixed end of the finger into an outwardly-pro- 45 sheet metal by means of suitable dies. In jecting open loop 0 and then fold the free order to allow said band to obtain a firm hold end of the finger back so as to lap onto and on the hose, so as to prevent its slipping therelie closely against the inner side of the main on, I form the band with longitudinal slots 2 portion of the band, as shown in Fig.1 of the 2', similar to those shown in my prior applicadrawings. In some cases the superfluous I00 50 tions for patents; but in my present invenlength 0 of the finger 0 may be cut off.

tion I utilize the portions hitherto wasted in The band is clamped onto the hose by means of a bolt 6, passing through the perforations of the ears I) b and provided with a nut n, and in order to lock said nut, so as to prevent its turning, I form the ear I) with a flange b, which bears on the edge of the nut, as shown in Fig. 1 of the drawings.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. As an improved article of manufacture, a hose-clamp band formed in one piece of sheet metal, perforated in its ends, and having longitudinal slits extending from a point some distance from the end of the band toward the center of its length and meeting in a transverse slit, the main portion of said band being bent circular shape, the perforated .end portions being bent radially outward,and the In testimony whereof I have hereunto signed 30 my name this 14th day of January, 1892.

LEWIS H. REDFIELD. [L. S.]

Witnesses:

MARK W. DEWEY, C. L. BENDIXON. 

